#include <bits/stdc++.h>
using namespace std;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,c=0;
    cin>>n;
    int a[n+10];
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    sort(a+1,a+n+1);
    for(int i=2;i<=n;i++){
        for(int j=1;j<i;j++){
            if(a[i]>a[j]){
                a[i]=-1;
                c++;
                break;
            }
        }
    }
    cout<<n-c;
}
